diff options
Diffstat (limited to 'src/soc/intel/cannonlake/gpio.c')
| -rw-r--r-- | src/soc/intel/cannonlake/gpio.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/gpio.c b/src/soc/intel/cannonlake/gpio.c new file mode 100644 index 0000000000..2dd90f9f01 --- /dev/null +++ b/src/soc/intel/cannonlake/gpio.c @@ -0,0 +1,98 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 - 2017 Intel Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <intelblocks/gpio.h> +#include <intelblocks/pcr.h> +#include <soc/pcr_ids.h> + +static const struct reset_mapping rst_map[] = { + { .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 0U << 30 }, + { .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 }, + { .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 }, +}; + +static const struct reset_mapping rst_map_com0[] = { + { .logical = PAD_CFG0_LOGICAL_RESET_PWROK, .chipset = 0U << 30 }, + { .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 }, + { .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 }, + { .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 3U << 30 }, +}; + +static const struct pad_community cnl_communities[] = { + { /* GPP A, B, G */ + .port = PID_GPIOCOM0, + .first_pad = GPP_A0, + .last_pad = GPP_G7, + .num_gpi_regs = NUM_GPIO_COM0_GPI_REGS, + .pad_cfg_base = PAD_CFG_BASE, + .host_own_reg_0 = HOSTSW_OWN_REG_0, + .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, + .gpi_smi_en_reg_0 = GPI_SMI_EN_0, + .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, + .name = "GPP_ABG", + .acpi_path = "\\_SB.PCI0.GPIO", + .reset_map = rst_map_com0, + .num_reset_vals = ARRAY_SIZE(rst_map_com0), + }, { /* GPP D, F, H */ + .port = PID_GPIOCOM1, + .first_pad = GPP_D0, + .last_pad = GPP_H23, + .num_gpi_regs = NUM_GPIO_COM1_GPI_REGS, + .pad_cfg_base = PAD_CFG_BASE, + .host_own_reg_0 = HOSTSW_OWN_REG_0, + .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, + .gpi_smi_en_reg_0 = GPI_SMI_EN_0, + .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, + .name = "GPP_DFH", + .acpi_path = "\\_SB.PCI0.GPIO", + .reset_map = rst_map, + .num_reset_vals = ARRAY_SIZE(rst_map), + }, { /* GPD */ + .port = PID_GPIOCOM2, + .first_pad = GPD0, + .last_pad = GPD11, + .num_gpi_regs = NUM_GPIO_COM2_GPI_REGS, + .pad_cfg_base = PAD_CFG_BASE, + .host_own_reg_0 = HOSTSW_OWN_REG_0, + .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, + .gpi_smi_en_reg_0 = GPI_SMI_EN_0, + .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, + .name = "GPD", + .acpi_path = "\\_SB.PCI0.GPIO", + .reset_map = rst_map, + .num_reset_vals = ARRAY_SIZE(rst_map), + }, { /* GPP C, E */ + .port = PID_GPIOCOM3, + .first_pad = GPP_C0, + .last_pad = GPP_E23, + .num_gpi_regs = NUM_GPIO_COM3_GPI_REGS, + .pad_cfg_base = PAD_CFG_BASE, + .host_own_reg_0 = HOSTSW_OWN_REG_0, + .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, + .gpi_smi_en_reg_0 = GPI_SMI_EN_0, + .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, + .name = "GPP_CE", + .acpi_path = "\\_SB.PCI0.GPIO", + .reset_map = rst_map, + .num_reset_vals = ARRAY_SIZE(rst_map), + } +}; + +const struct pad_community *soc_gpio_get_community(size_t *num_communities) +{ + *num_communities = ARRAY_SIZE(cnl_communities); + return cnl_communities; +} |